General

  • Target

    fa62c0963b5585dda927bd51381275ab1c7d0b2bbbe0ca1d4f7221c4c4987ab9

  • Size

    170KB

  • Sample

    240312-rj4c6acg22

  • MD5

    d415ef0728276c983e477fba8011ce93

  • SHA1

    b442dd21a17f57ad7cc32327605d225fa9037224

  • SHA256

    fa62c0963b5585dda927bd51381275ab1c7d0b2bbbe0ca1d4f7221c4c4987ab9

  • SHA512

    0730a1fa1e7294b07aefc3e60b0ae873266449306fc27a30319deb13b957e932bd3203cce25ddcb24a5825d263c8ad772e6a6d7156d1caaf8123e56a9401bb71

  • SSDEEP

    3072:jEwOvI68zdDo1FAHZqvzmFSAOhsql9paycUC:I66bjSZqLAghz9paycj

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .wisz

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0853PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.2

Botnet

7462cf1e49890509e46ee7ab1b511527

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik

Attributes
  • profile_id_v2

    7462cf1e49890509e46ee7ab1b511527

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Targets

    • Target

      fa62c0963b5585dda927bd51381275ab1c7d0b2bbbe0ca1d4f7221c4c4987ab9

    • Size

      170KB

    • MD5

      d415ef0728276c983e477fba8011ce93

    • SHA1

      b442dd21a17f57ad7cc32327605d225fa9037224

    • SHA256

      fa62c0963b5585dda927bd51381275ab1c7d0b2bbbe0ca1d4f7221c4c4987ab9

    • SHA512

      0730a1fa1e7294b07aefc3e60b0ae873266449306fc27a30319deb13b957e932bd3203cce25ddcb24a5825d263c8ad772e6a6d7156d1caaf8123e56a9401bb71

    • SSDEEP

      3072:jEwOvI68zdDo1FAHZqvzmFSAOhsql9paycUC:I66bjSZqLAghz9paycj

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Vidar Stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks